tweak header text margin

Author: sk22

mastodon/src/main/res/layout/display_item_header.xml

@@ -60,6 +60,7 @@
 		android:layout_width="match_parent"
 		android:layout_height="wrap_content"
 		android:layout_marginEnd="12dp"
+		android:layout_marginTop="2sp"
 		android:layout_toStartOf="@id/visibility"
 		android:layout_toEndOf="@id/avatar"
 		android:minHeight="24sp">